<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>1. 浮动在网页布局的使用场景 </title>
  <style>
    div {
      width: 200px;
      height: 200px;
      border: solid 1px red;
      float: left;
    }
  </style>
</head>
<body>
  <div></div>
  <div></div>
</body>
</html>